Quite likely. Narcissists are likely to be bullies if they don't get what they want. Chances are they could bully the wrong person. If they bully some dude with martial art experience they will most likely be hospitalized. If they bully someone who calls the police they will most likely be arrested. If they bully someone in a gang they might wake up with a few nasty knife wounds. Most narcissists do not know what a narcissist is!!
are they physically harassing you? then no
Annoying or Rude or Bratty (for harassing) or Curious (for sexually harassing)
You would call a person who praises himself a lot a narcissist.
Because older person will enhance narcissist's youth and bigger person will enhance nacssist's slimness.
A person who loves challenges is called a narcissist. A narcissist values themselves a lot and is very selfish.
A man... A narcissist.